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struture of Earth

QuestionAnswer
inner core deepest layer/solid and made of iron/5000 to 5700 degrees c
outer core layer above inner core/made of liquid iron and nickel/around 4000 degrees
Convection Current the rising of warm material and sinking of cool, dense material
lower mantle 2500 degrees/its soft/made of molten rock
upper mantle 1000 degrees/solid rock/
Moho A boundary separating the crust from the mantle.
crust solid layer over the earth/5 to 50km thick/temperature low but changes/thin
lithosphere the rigid outer layer of Earth composed of the crust and upper mantle.
asthenosphere the semi-molten layer of Earth'mantle.
plats very large pieces of the outer layer of earth.
Mineral A chemical compound or eliment that has a crystal structure and can be found in nature
rock d natural material made of one or minterals
mineral resoure a rock or mineral that can be mined or used for a purpose.
fossil fuels materials such as coal and oil that are formed in earth's crust by the compression of plant and animal matter over millions of years.
crystala a structure aith straight edgges flat sides, and regular angles.
hardness in a mineral, resistance to being scratched/the hardness is defined by Moh's scale of hardness/dimon is the hardess
luster a measure of how much light is reflected from the surface of a mineral that is, how shiny a mineral is/some acljectives used to luster of a mineral are/metalic,vitreous,resinous,dull,peaarly,silky,greasy
steak the streak is the colour of the powder made by crushing a mineral/or from the mineral
cleaving or cleavge cleavage a mineral that breacks with flat planes or breaks smoothly
fracture fracture a mineral that with a rough, or jagged edges.
metalic shines like a polished matal surface
non metalic dose not shine like a metal
minerals are...... 4 1. Minarals are natural: substances that form without any human help.2. Minerals are solids: Substances that don't droop or melt or evaporate.3. Minerals are: inonganic: Substances that are not carbon compound set like those found in living.4
fracture fracture a mineral that with a rough, or jagged edges.
metalic shines like a polished matal surface
non metalic dose not shine like a metal
minerals are...... 4 1. Minarals are natural: substances that form without any human help.2. Minerals are solids: Substances that don't droop or melt or evaporate.3. Minerals are: inonganic: Substances that are not carbon compound set like those found in living.
minerals are ...... 4 4. Minerals are: Crystallline: sustances that have a distinct receipe arragnement of atoms
Created by: Jeremy.C
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